2
Operating Your Instrument
96
Keysight 53147A/148A/149A Operating and Programming Guide
7 Press the Zero key.
The Power Meter displays
ZEROING
and then returns to the display shown in
8 Connect the power-head input connector to the Power Meter Output
connector.
9 Press the Cal key.
During calibration, the Power Meter displays
CALIBRATING
. It then returns to
the display shown in Step 2.
10 If you know the frequency of the signal you intend to measure, press the
Freq key, enter the frequency value, and press Enter (for instructions on
entering or changing values, see
The Power Meter uses the frequency to set the power-factor per the values in
the stored calibration tables. If you prefer, you can use the
Cal Factor
key to
enter the calibration factor value directly.
NOTE
Three empty tables are provided for compatible power-sensor heads that the
instrument does not have pre-recorded tables for. You can create your own table
by entering a set of frequency/power-factor data points for a power head by
selecting CUST 1, CUST 2, or CUST 3 from the HEAD menu. You then enter a set
of frequency/power factor data points for the power head. For instructions on
entering or changing data, see
NOTE
If the signal you intend to measure is already applied to one of the Counter’s input
channels, you can press the
Store
key (
Shift
+
Cal
) to input the frequency value
instead of using either the
Freq
or
Cal Factor
keys and entering a value
manually. This saves time and has the same effect.
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